Hybrid Book - Chapter 5

13 Questions | Total Attempts: 55

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Hybrid Book Quizzes & Trivia

Questions and Answers
  • 1. 
    All electric traction systems for hybrid, fuel-cell, and electric vehicles include a(n) ___.
    • A. 

      HVAC compressor

    • B. 

      Electric steering system

    • C. 

      Power inverter

    • D. 

      By-wire braking system

  • 2. 
    All induction machines include a ___.
    • A. 

      Differential and rotor

    • B. 

      Rotor and stator

    • C. 

      Transmission and stator

    • D. 

      Rotor and brushes

  • 3. 
    The rotor of an induction machine is constructed from stacks of thin iron pieces called ___.
    • A. 

      Laminations

    • B. 

      Core bars

    • C. 

      Splined bars

    • D. 

      Washer rings

  • 4. 
    The rotor bars in induction machines are typically constructed of ___.
    • A. 

      Copper and steel

    • B. 

      Copper and brass

    • C. 

      Aluminum and steel

    • D. 

      Aluminum and copper

  • 5. 
    An electric machine stator can be constructed in ___ configurations.
    • A. 

      Wye and delta

    • B. 

      Wye and dual

    • C. 

      Delta and double-layer

    • D. 

      Delta and cross-wound

  • 6. 
    The operation of an induction machine is similar to the operation of a ___.
    • A. 

      Relay

    • B. 

      Transformer

    • C. 

      Transistor

    • D. 

      Power inverter

  • 7. 
    A 3-phase induction machine with 4 poles per phase has ___ total stator poles.
    • A. 

      2

    • B. 

      4

    • C. 

      12

    • D. 

      24

  • 8. 
    An induction machine operates with a(n) ___ stator that triggers a timing control strategy.
    • A. 

      Synchronous

    • B. 

      Six-step

    • C. 

      Asynchronous

    • D. 

      Axial

  • 9. 
    ___ is the electrical principle that forms the basis for induction machine stator and rotor operation.
    • A. 

      Mutual induction

    • B. 

      Self-induction

    • C. 

      Maxwell angling

    • D. 

      Oersted vectoring

  • 10. 
    The torque of an induction machine is controlled and determined primarily by waveform ___.
    • A. 

      Amplitube

    • B. 

      Frequency

    • C. 

      Shape

    • D. 

      Domain

  • 11. 
    As slip increases in an induction machine, ___ also increases.
    • A. 

      Speed (rpm)

    • B. 

      Regenerative braking efficiency

    • C. 

      Refractive magnitude

    • D. 

      Torque

  • 12. 
    To place an induction machine in a regenerative braking mode, the controller executes a ___-slip torque command.
    • A. 

      Positive

    • B. 

      Negative

    • C. 

      Null

    • D. 

      Reverse

  • 13. 
    When an induction machine is functioning in regenerative braking mode and generating electrical power, the rotor speed ___ the stator frequency speed.
    • A. 

      Is faster than

    • B. 

      Is slower than

    • C. 

      Is the same as

    • D. 

      Alternates faster or slower than

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